DigiSim.io Blog

Digital Logic Circuit Design Tutorials & Learning Resources

The Clock Pulse: Why Computers Need a Heartbeat

Digital Logic 101 📅 January 2026 • ⏱️ 12 min read • 🎓 Beginner-Intermediate Every digital computer has a pulse—a rhythmic signal that coordinates billions of operations with perfect precision. This is the clock

4 min read

SR vs. JK Flip-Flops: The Basics of Sequential Logic

Digital Logic 101 📅 January 2026 • ⏱️ 20 min read • 🎓 Intermediate So far, we've explored combinational logic—circuits where the output depends only on current inputs. But how do computers

5 min read

Decoders and Encoders: Driving a 7-Segment Display

Digital Logic 101 📅 January 2026 • ⏱️ 16 min read • 🎓 Beginner-Intermediate How does a calculator show numbers? How does a digital clock display the time? The answer involves decoders—circuits that translate

4 min read

Multiplexers (MUX) Demystified: The Data Traffic Controller

Digital Logic 101 📅 January 2026 • ⏱️ 16 min read • 🎓 Beginner-Intermediate How does a CPU choose which register to read? How does a TV select between input channels? The answer is the

3 min read

The Half Adder vs. The Full Adder: How Computers Do Math

Digital Logic 101 📅 January 2026 • ⏱️ 18 min read • 🎓 Beginner-Intermediate Every calculation your computer performs—from simple arithmetic to complex AI algorithms—ultimately comes down to adding binary numbers. In this

5 min read

XOR vs. XNOR: The Critical Difference in Error Detection

Digital Logic 101 📅 January 2026 • ⏱️ 14 min read • 🎓 Beginner-Intermediate The XOR gate is one of the most important gates in digital logic—yet often overlooked in basic courses. It'

3 min read

De Morgan's Laws Explained: Simplifying Complex Circuits

Digital Logic 101 📅 January 2026 • ⏱️ 14 min read • 🎓 Beginner-Intermediate De Morgan's Laws are among the most powerful tools in Boolean algebra. They let you transform complex expressions into

4 min read
NAND to Tetris: Why the NAND Gate is Universally Functional

NAND to Tetris: Why the NAND Gate is Universally Functional

Digital Logic 101 📅 January 2026 • ⏱️ 15 min read • 🎓 Intermediate What if you could build an entire computer using just one type of logic gate? It sounds impossible, but the NAND

4 min read
Mastering Binary Addition: Building a 4-Bit Ripple Carry Adder

Mastering Binary Addition: Building a 4-Bit Ripple Carry Adder

Learn how to build a 4-bit ripple carry adder, a fundamental digital circuit for binary addition. This tutorial covers the design, implementation, delay analysis, and practical considerations for this essential arithmetic component.

6 min read